Home / 21,683.64-32,499.57-11,158.71

Finding the Fourth Proportional to 21,683.64, 32,499.57 and 11,158.71

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Solution

The fourth proportional to 21,683.64, 32,499.57 and 11,158.71 is: 16,724.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,683.64 : 32,499.57 = 11,158.71 : x
  2. Step 2: Convert to fraction form
    21,683.64/32,499.57 = 11,158.71/x
  3. Step 3: Cross multiply
    21,683.64x = 32,499.57 × 11,158.71
  4. Step 4: Simplify right side
    21,683.64x = 362,653,276.75
  5. Step 5: Solve for x
    x = 362,653,276.75/21,683.64
  6. Step 6: Final answer
    x = 16,724.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.